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Enhancing Isolation in Dual-Band Meander-Line Multiple Antenna by Employing Split EBG Structure | IEEE Journals & Magazine | IEEE Xplore

Enhancing Isolation in Dual-Band Meander-Line Multiple Antenna by Employing Split EBG Structure


Abstract:

A closely located dual-band meander-line antenna array with isolation enhancement by inserting novel split electromagnetic bandgap (EBG) uniplanar structure is proposed. ...Show More

Abstract:

A closely located dual-band meander-line antenna array with isolation enhancement by inserting novel split electromagnetic bandgap (EBG) uniplanar structure is proposed. The meander-line antenna is coupled to a parasitic rectangular patch to achieve the dual-band operation. Splits are applied on the surface of an EBG structure to cause decoupling at the first resonant mode and utilizing an EBG structure to decouple at the second resonant mode. The prototype of the proposed structure achieves a dual band of 180 MHz (3.42-3.6 GHz) and 400 MHz (4.7-5.1 GHz). The mutual coupling is significantly reduced by 26 and 44 dB at 3.48 and 4.88 GHz, respectively, compared to the reference antenna. In addition, the structure has high front-to-back ratio radiation characteristics.
Published in: IEEE Transactions on Antennas and Propagation ( Volume: 67, Issue: 4, April 2019)
Page(s): 2769 - 2774
Date of Publication: 04 February 2019

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